src/test/subscription/t/009_matviews.pl

# Copyright (c) 2021-2023, PostgreSQL Global Development Group

# Test materialized views behavior
use strict;
use warnings;
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;

my $node_publisher = PostgreSQL::Test::Cluster->new('publisher');
$node_publisher->init(allows_streaming => 'logical');
$node_publisher->start;

my $node_subscriber = PostgreSQL::Test::Cluster->new('subscriber');
$node_subscriber->init(allows_streaming => 'logical');
$node_subscriber->start;

my $publisher_connstr = $node_publisher->connstr . ' dbname=postgres';

$node_publisher->safe_psql('postgres',
	"CREATE PUBLICATION mypub FOR ALL TABLES;");
$node_subscriber->safe_psql('postgres',
	"CREATE SUBSCRIPTION mysub CONNECTION '$publisher_connstr' PUBLICATION mypub;"
);

$node_publisher->safe_psql('postgres',
	q{CREATE TABLE test1 (a int PRIMARY KEY, b text)});
$node_publisher->safe_psql('postgres',
	q{INSERT INTO test1 (a, b) VALUES (1, 'one'), (2, 'two');});

$node_subscriber->safe_psql('postgres',
	q{CREATE TABLE test1 (a int PRIMARY KEY, b text);});

$node_publisher->wait_for_catchup('mysub');

# Materialized views are not supported by logical replication, but
# logical decoding does produce change information for them, so we
# need to make sure they are properly ignored. (bug #15044)

# create a MV with some data
$node_publisher->safe_psql('postgres',
	q{CREATE MATERIALIZED VIEW testmv1 AS SELECT * FROM test1;});
$node_publisher->wait_for_catchup('mysub');

# There is no equivalent relation on the subscriber, but MV data is
# not replicated, so this does not hang.

pass "materialized view data not replicated";

$node_subscriber->stop;
$node_publisher->stop;

done_testing();